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TPS53819A Datasheet(PDF) 8 Page - Texas Instruments

Part # TPS53819A
Description  TPS53819A High-Performance, Eco-mode?? Single Synchronous Step-Down Controller with PMBus?
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS53819A Datasheet(HTML) 8 Page - Texas Instruments

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TPS53819A
SLUSB56A – NOVEMBER 2012 – REVISED OCTOBER 2015
www.ti.com
6.6 Timing Requirements
MIN
NOM
MAX
UNIT
POWER-ON DELAY
Delay from enable to switching
356
μs
POD<2:0> = 000
Delay from enable to switching
612
μs
POD<2:0> = 001
Delay from enable to switching
1.124
ms
POD<2:0> = 010
Delay from enable to switching
2.148
ms
POD<2:0> = 011
tPODLY
Power-on delay time
Delay from enable to switching
4.196
ms
POD<2:0> = 100
Delay from enable to switching
8.292
ms
POD<2:0> = 101
Delay from enable to switching
16.48
ms
POD<2:0> = 110
Delay from enable to switching
32.86
ms
POD<2:0> = 111
PGOOD DELAY
Delay for PGOOD going in
165
256
320
μs
PGD<2:0> = 000
Delay for PGOOD going in
409
512
614
μs
PGD<2:0> = 001
Delay for PGOOD going in
0.819
1.024
1.228
ms
PGD<2:0> = 010
Delay for PGOOD going in
1.638
2.048
2.458
ms
PGD<2:0> = 011
tPGDLY
PGOOD delay time
Delay for PGOOD going in
3.276
4.096
4.915
ms
PGD<2:0> = 100
Delay for PGOOD going in
6.553
8.192
9.83
ms
PGD<2:0> = 101
Delay for PGOOD going in
13.104
16.38
19.656
ms
PGD<2:0> = 110
Delay for PGOOD going in
105
131
157
ms
PGD<2:0> = 111
Delay for PGOOD coming out
2
μs
SOFT START TIME
SST<1:0> = 00
1.0
SST<1:0> = 01
2.0
tSS
Soft-start time
ms
SST<1:0> = 10
4.0
SST<1:0> = 11
8.0
FREQUENCY CONTROL
tOFF(min)
Minimum off-time
DRVH falling to rising
320
ns
tON(min)
Minimum on-time(1)
DRVH rising to falling
60
ns
PROTECTIONS
tUVPDLY
UVP filterdelay time
1
ms
DRIVER
DRVH-off to DRVL-on
10
tDEAD
Dead time
ns
DRVL-off to DRVH-on
20
(1)
Specified by design. Not production tested.
8
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Copyright © 2012–2015, Texas Instruments Incorporated
Product Folder Links: TPS53819A


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